Finding the Third Proportional to 16,913 and 31,711

Step by Step Solution

1. Step 1: Write the proportion equation
   16,913 : 31,711 = 31,711 : x
2. Step 2: Convert to fraction form
   16,913/31,711 = 31,711/x
3. Step 3: Cross multiply
   16,913x = 31,711 × 31,711
4. Step 4: Simplify right side
   16,913x = 1,005,587,521
5. Step 5: Solve for x
   x = 1,005,587,521/16,913
6. Step 6: Final answer
   x = 59,456.48